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Three-way Production Process
Nov 27, 2018

The three-way joint is formed by flattening the tube blank larger than the diameter of the three-way, about a diameter of about three-way diameter, and opening a hole in the portion of the tension branch pipe; the tube blank is heated, placed in a forming mold, and installed in the tube blank The die of the tensile branch pipe; under the action of the pressure, the pipe blank is radially compressed, and in the process of radial compression, the metal flows toward the branch pipe and forms a branch pipe under the drawing of the die, the whole process is through the radial direction of the pipe blank The compression and the branching portion are formed by the drawing process. Unlike the hydraulic bulging tee, the metal of the three-way joint branch is compensated by the radial movement of the tube blank, so it is also called the radial compensation process.

Due to the use of heated tees, the tonnage of the equipment required for material forming is reduced. The hot press tee has wide adaptability to materials, and is suitable for materials of low carbon steel, alloy steel and stainless steel; especially for tees with large diameter and thick wall, this forming process is usually adopted.

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